import 'package:flutter/material.dart';
import 'package:v10/key_widget/keys/swap_color_1.dart';
import 'package:v10/key_widget/keys/swap_color_2.dart';
import 'package:v10/key_widget/keys/swap_color_3.dart';
import 'package:v10/key_widget/keys/swap_color_4.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
//       home: SwapColorDemo1(), //Stateless
//       home: SwapColorDemo2(), //stateful without key
//       home: SwapColorDemo3(), //stateful with key
      home: SwapColorDemo4(),
    );
  }
}
